# 12.10 变量作用域规则

- [Untitled](/bian-liang/untitled-1-1/untitled.md)
- [12.10.1 动态绑定](/bian-liang/untitled-1-1/12.10.1-dong-tai-bang-ding.md)
- [12.10.2 动态绑定的建议](/bian-liang/untitled-1-1/12.10.2-dong-tai-bang-ding-de-jian-yi.md)
- [12.10.3 词法绑定](/bian-liang/untitled-1-1/12.10.3-ci-fa-bang-ding.md)
- [12.10.4 如何正确的使用词法绑定](/bian-liang/untitled-1-1/12.10.4-ru-he-zheng-que-de-shi-yong-ci-fa-bang-ding.md)